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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > 335xi CAS Issues



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      07-12-2023, 06:39 PM   #1
nmichalski
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Exclamation 335xi CAS Issues

I've got an 08 335xi that has a bad cas, when I got the car the po had a jumper switch wire from the starter harness by the dme.

I recently got a dme/cas/key from another e92 with what I was researching you just swap the two out and it should be good? Am I incorrect on that?

I got them swapped over and when I re connected the battery and put the new key in the slot the yellow key popped up but it wouldn't put the car in accessory mode or even try to start the car.

I guess I'm trying to see if I got sold a bad cas or dme, or if I actually need to get my original cas cloned?

Any help would be greatly appreciated.

I've already swapped back the original dme and cas to make sure the car is still happy and starts otherwise. All good there.
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      07-13-2023, 03:17 AM   #2
TiAgAu
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Hopefully this helps. DME/CAS/Key swap https://www.youtube.com/watch?v=oWLp6CGFQgw
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